Frederick
- Adamstown
- Appolds
- Arnoldtown
- Ballenger Creek
- Bartholows
- Bartonsville
- Blue Mountain
- Bolivar
- Braddock
- Braddock Heights
- Bridgeport
- Broad Run
- Brunswick
- Buckeystown
- Buckeystown Station
- Burkittsville
- Catoctin Furnace
- Centerville
- Ceresville
- Charlesville
- Chestnut Grove
- Clemsonville
- Clifton
- Clover Hill
- Creagerstown
- Daysville
- Discovery
- Doubs
- Ellerton
- Emmitsburg
- Feagaville
- Five Forks
- Flint
- Flint Hill
- Fountain Mills
- Fountain Rock
- Fourpoints
- Foxville
- Frederick
- Friends Creek
- Frostown
- Fuller
- Furnace Ford
- Garfield
- Graceham
- Green Valley
- Greenfield Mills
- Hansonville
- Harmony Grove
- Hawbottom
- Hope Hill
- Ijamsville
- Jefferson
- Jerusalem
- Jimtown
- Johnsville
- Keller
- Kemptown
- Knoxville
- Ladiesburg
- Lander
- Le Gore
- Lewis Mill
- Lewistown
- Libertytown
- Lilypons
- Lime Kiln
- Linganore
- Locust Valley
- Loys
- McDonald
- McKaig
- Michaels Mill
- Middlepoint
- Middletown
- Monrovia
- Motters
- Mount Pleasant
- Mountaindale
- Mountville
- Myersville
- New Addition
- New London
- New Market
- New Midway
- Oak Orchard
- Oldfield
- Olive
- Park Mills
- Petersville
- Pleasant View
- Pleasant Walk
- Point of Rocks
- Reels Mill
- Rocky Ridge
- Rocky Springs
- Rosemont
- Sabillasville
- Saint Anthony
- Sams Creek
- Shookstown
- Slabtown
- Spoolsville
- Spring Ridge
- Stronghold
- Thurmont
- Thurston
- Troutville
- Tuscarora
- Urbana
- Utica
- Walkersville
- Wolfsville
- Woodsboro
- Woodville
- Yellow Springs